Podcasts > Kategorie: Wissen und Wissenschaft > Kanal: BrainStuff

How do they get the lead in a wooden pencil?

Kategorie: Wissen und Wissenschaft
Kanal: BrainStuff
Datum: 13. April 2015, 19:27
Stufe: B1-B2 (Mittelstufe)

Note: 0 (Anzahl der Bewertungen: 0)

Zaloguj się, aby pobrać plik MP3.

Today's pencils are manufactured very differently than the original versions; but they still use a material called graphite, which isn't lead at all. How does the graphite get in the pencil? Find out in this episode.